Purina Pro Plan Veterinary Diet Adult UR St/Ox Urinary Cat Food

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PURINA® PRO PLAN® VETERINARY DIETS Feline UR ST/OX Urinary Dry Cat Food is a complete veterinary diet for cats, specially formulated to help dissolve struvite urinary crystals and stones and helps reduce the risk of urinary stones recurring struvite and calcium oxalate.

It can also help nutritionally manage feline idiopathic cystitis by increasing water intake and encouraging the production of dilute urine. It contains nutrients such as omega-3 fatty acids and natural sources of glycosaminoglycans which help support the health of the urinary tract.

Key benefits:

  • Promotes the production of under-saturated urine, reducing the risk of struvite and calcium oxalate crystal formation
  • Promotes an optimum urine composition that helps to dissolve struvite stones
  • Moderate levels of fat and calories to help maintain ideal bodyweight obesity being a risk factor for Feline Lower Urinary Tract Disease


Fresh drinking water should always be available.

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Excellent Sheils on 28 June 2021

My cat suffered from crystals and had expensive trips to the vet. She came close to dying but now thanks to the urinary cat food she is fit and healthy

great value Mrs Diane Gibson on 26 December 2019

Ordering is easy and delivery is good.

great value Mrs Diane Gibson on 26 December 2019

Ordering is easy and delivery is good.

Feeding Guide

Body Weight g/day Wet & Dry Combined
Wet pouch/day Dry g/day
2 35 1/3 20
4 70 1 25
6 100 1 50
8 130 1 80

For each additional kg of body weight, feed an additional 15 g of dry food.

Recommended length of time for use for: dissolution: 5-12 weeks
Reduction of recurrence: up to 6 months.
Water should be available at all times.
1 pouch = 20g of Feline UR Dry. Mixed feeding guidelines are validated only for mixing Feline UR dry and wet.




Meat and Animal Derivatives (of which Turkey 12%)
Various Sugars


  Analytical Constituents
Moisture: 80.0%
Protein: 10.0%
Fat content: 5.3%
Crude ash: 1.7%
Crude fibres: 0.5%
Calcium: 0.14%
Phosphorus: 0.14%
Sodium: 0.17%
Magnesium: 0.02%
Potassium: 0.30%
Chlorides: 0.28%
Sulphur: 0.21%
Taurine: 1 480 mg/kg
Urine acidifying substance: calcium sulphate  
Nutritional Additives IU/kg:
Vit. A: 980
Vit. D3: 130
Vit. E: 250
E1: 28
E2: 0.55
E4: 3.5
E5: 5.1
E6: 70
E8: 0.046


This and similar products can be found in: All Cat Food  |  Cat Urinary  |  Cat Weight Management  |  Pet Health: All  |  Pro Plan Veterinary  |  Purina Pro Plan Veterinary Cat